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Routes
Hiking trails & Routes
France
Auvergne Rhône Alpes
Grenoble
Sainte-Agnès

Refuge Jean Collet – Lake Crop loop from Pré Marcel

Routes
Hiking trails & Routes
France
Auvergne Rhône Alpes
Grenoble
Sainte-Agnès

Refuge Jean Collet – Lake Crop loop from Pré Marcel

Hard

4.3

(8)

51

hikers

Refuge Jean Collet – Lake Crop loop from Pré Marcel

07:40

15.9km

1,140m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: April 15, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 4.45 km for 278 m

After 8.04 km for 2.16 km

Waypoints

A

Start point

Parking

Get Directions

1

4.73 km

On the balcony towards Jean Collet

Highlight • Viewpoint

Path along the cliffs which offers superb views

Translated by Google •

Tip by

2

5.27 km

Refuge Jean Collet

Highlight • Mountain Hut

The Jean Collet refuge is a historic place: there has indeed been a refuge at this location since 1910! The current refuge dates back to 1928, but it was completely …

Translated by Google •

Tip by

3

7.81 km

Mini Montain peak

Highlight • Other

4

7.91 km

Iron Mine Pass

Highlight • Other

This pass is located at an altitude of 2,400 meters in an almost desert environment! It is dominated by the Columbus Summit (2,601 meters), the Rocher de l'Homme (2,755 meters, …

Translated by Google •

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5

10.1 km

Lake Crop

Highlight • Lake

This lake is a treat and depending on the humidity and light you will experience different shades of turquoise blue. The ideal place to swim and cool off in summer.

Translated by Google •

Tip by

6

12.4 km

France-Savoie border marker

Highlight • Other

There are a multitude of markers marking the border between FRANCE and SAVOY.

Translated by Google •

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B

15.9 km

End point

Parking

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Way Types & Surfaces

Way Types

13.6 km

1.93 km

329 m

Surfaces

8.95 km

4.97 km

1.98 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,390 m)

Lowest point (1,290 m)

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Weather

Powered by Foreca

Wednesday 27 May

33°C

15°C

14 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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